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Erquelinnesia

Osteichthyes - Testudines - Euclastidae

Taxonomy
Erquelinnesia was named by Dollo (1887) [Sepkoski's age data: T Eo-l Sepkoski's reference number: 1066].

It was synonymized subjectively with Euclastes by Lynch and Parham (2003); it was reranked as Euclastes (Erquelinnesia) by Kear and Lee (2006).

It was assigned to Thalassemydidae by Hay (1908), Hay (1930); to Osteopyginae by Moody (1980), Weems (1988); to Chelonia by Sepkoski (2002); to Euclastes by Kear and Lee (2006); to Cheloniidae by Hirayama (1995), Myers et al. (2018); and to Euclastidae by France de Lapparent et al. (2025).

Entered
by J. Sepkoski on 2003-01-23; modified by P. Wagner on 2021-02-07

Synonymy list
YearName and author
1887Erquelinnesia Dollo
1908Erquelinnesia Hay p. 160
1930Erquelinnesia Hay p. 77
1980Erquelinnesia Moody p. 161
1988Erquelinnesia Weems p. 141 figs. Table 2
1995Erquelinnesia Hirayama p. 282
2002Erquelinnesia Sepkoski
2006Euclastes (Erquelinnesia) Kear and Lee p. 116
2018Erquelinnesia Myers et al. p. 171
2025Erquelinnesia France de Lapparent et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
RankNameAuthor
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Archosauromorpha(Huene 1946)
ArchelosauriaCrawford 2015
Pantestudines
Testudinata(Oppel 1811)
orderTestudinesBatsch 1788
suborderCryptodira
superfamilyChelonioidea
familyEuclastidae
genusErquelinnesiaDollo 1887

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Erquelinnesia Dollo 1887
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Diagnosis
ReferenceDiagnosis
O. P. Hay 1908Skull resembling that of Caretta caretta, but more elevated and descending more rapidly in front of the orbits. Palate flat, bounded by low cutting-edges, and extending backward to the hinder half of the roof of the mouth. Choanae in the hinder half of the roof of the mouth, their anterior boundary formed by the palatines, which have met behind the palatal plate of the vomer. Lower jaw not beakt. Shell resembling that of Caretta, but more rounded behind.